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Finding the Fourth Proportional to 219,575.30, 303,013.98 and 118,973.30

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Solution

The fourth proportional to 219,575.30, 303,013.98 and 118,973.30 is: 164,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,575.30 : 303,013.98 = 118,973.30 : x
  2. Step 2: Convert to fraction form
    219,575.30/303,013.98 = 118,973.30/x
  3. Step 3: Cross multiply
    219,575.30x = 303,013.98 × 118,973.30
  4. Step 4: Simplify right side
    219,575.30x = 36,050,571,631.66
  5. Step 5: Solve for x
    x = 36,050,571,631.66/219,575.30
  6. Step 6: Final answer
    x = 164,183.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.